Malware Analysis Report

2024-10-23 20:54

Sample ID 240212-cdfycagh42
Target 400f00d600f464e055cbcd68982d05c3.bin
SHA256 3a4b943e978e3a4ed50b8b347e3811f184feaf8ddcabae9a0c9b2c995bc95bab
Tags
nyan cat njrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3a4b943e978e3a4ed50b8b347e3811f184feaf8ddcabae9a0c9b2c995bc95bab

Threat Level: Known bad

The file 400f00d600f464e055cbcd68982d05c3.bin was found to be: Known bad.

Malicious Activity Summary

nyan cat njrat

Njrat family

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-12 01:57

Signatures

Njrat family

njrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-12 01:57

Reported

2024-02-12 01:59

Platform

win7-20231215-en

Max time kernel

122s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135.exe

"C:\Users\Admin\AppData\Local\Temp\86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /C Y /N /D Y /T 1 & Del "C:\Users\Admin\AppData\Local\Temp\86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 berlyndnero.duckdns.org udp
SE 46.246.84.5:7771 berlyndnero.duckdns.org tcp
SE 46.246.84.5:7771 berlyndnero.duckdns.org tcp
SE 46.246.84.5:7771 berlyndnero.duckdns.org tcp

Files

memory/2184-0-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2184-2-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2184-1-0x0000000000380000-0x00000000003C0000-memory.dmp

memory/2184-3-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2184-4-0x0000000000380000-0x00000000003C0000-memory.dmp

memory/2184-5-0x0000000000380000-0x00000000003C0000-memory.dmp

memory/2184-6-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2184-7-0x0000000074D30000-0x00000000752DB000-memory.dmp

memory/2184-8-0x0000000000380000-0x00000000003C0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-12 01:57

Reported

2024-02-12 01:59

Platform

win10v2004-20231222-en

Max time kernel

90s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135.exe

"C:\Users\Admin\AppData\Local\Temp\86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135.exe"

C:\Windows\SysWOW64\cmd.exe

cmd.exe /C Y /N /D Y /T 1 & Del "C:\Users\Admin\AppData\Local\Temp\86a385af82154816c819180b7501f5c614f442482957599b56a7932eb6691135.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 berlyndnero.duckdns.org udp
SE 46.246.84.5:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
SE 46.246.84.5:7771 berlyndnero.duckdns.org tcp
US 8.8.8.8:53 5.84.246.46.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/3944-0-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/3944-1-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/3944-2-0x0000000001190000-0x00000000011A0000-memory.dmp

memory/3944-3-0x0000000001190000-0x00000000011A0000-memory.dmp

memory/3944-4-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/3944-5-0x00000000745B0000-0x0000000074B61000-memory.dmp

memory/3944-7-0x00000000745B0000-0x0000000074B61000-memory.dmp